QJE QJ3005T 30V 5A Adjustable DC Power Supply is a professional-grade, high-accuracy bench power supply designed for electronics testing, repair, and educational applications. Featuring dual 4-digit LED displays for both voltage and current, this power supply delivers a stable and precise output, making it perfect for labs, workshops, and R&D environments.
Key Features:
Dual LED Display – Large 4-digit voltage and current display for clear, real-time readings.
Adjustable Output – Provides 0-30V DC voltage and 0-5A current with fine-tuning control.
Automatic CC/CV Switching – Ensures stable current and voltage with built-in protection.
Pure Copper Transformer – Reduces ripple and improves overall output stability.
OCP Protection – Overcurrent protection can be enabled or disabled as required.
Low Noise & Ripple – Ensures smooth operation with CC ≤ 5mA for sensitive electronics testing.
Keyboard Lock Function – Prevents accidental setting changes during operation.
Efficient Cooling – Built-in high-performance fan for heat dissipation during extended use.
Industrial-Grade Design – Rugged build for professional and laboratory environments.
Specifications:
Output Voltage: 0~30V
Output Current: 0~5A
Display Resolution: 10mV / 1mA
Voltage Regulation: CV ≤ 0.01% + 3mV
Current Regulation: CC ≤ 0.2% + 3mA
Ripple & Noise: ≤ 1mVrms (Voltage) / ≤ 3mArms (Current)
Protection: Over-Current, Over-Voltage, Reverse Polarity
Input Voltage: 220V AC ±10% (110V AC version available on request)
Size: 10 x 5 x 7 inches
Weight: Approx. 2.5kg
Package Includes:
1 x QJ3005T DC Power Supply
1 x Power Cable
1 x Shorting/Test Cable
1 x User Manual